Inboard Spark Plugs

Spark plugs intended for inboard engines from different manufacturers. The category includes spark plugs for Mercruiser, Volvo Penta, OMC and GM V8 engines. The listed products are identified based on compatibility with specific inboard engine families and are used within the ignition system. The available types allow spark plug replacement according to engine brand and configuration, supporting routine maintenance operations and restoration of proper combustion system operation.